#include <bits/stdc++.h>
#define int long long
#define endl '\n'
using namespace std;
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    freopen("color.in","r",stdin);
    freopen("color.out","w",stdout);
    
    return 0;
}